[QA] Convert DEG2RAD and RAD2DEG to macro functions
[QA] Replace some coef with more explicit function
[QA] Apply naming convention to GType macros (vikviewport)
[DOC] Fix internal doc reference.
[DOC] Top layer can no longer be renamed.
Add Acquiring 'My' OSM Traces as a datasource.

This is a two stage Acquire, first get a list of all the specified users traces (password required).
The dialog columns can be sorted to help select only those traces of interest.
Then get the Ids for the selected traces and download the individual GPX files.
Add marker to indicate whether my tracks from OSM starts within the current viewport.

This can be very useful in choosing which tracks to download when there are alot of them.
[DOC] Add My OSM Traces help.
Merge branch 'MyOSMTraces'